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Merck
CN

30435

磷酸钠 二元 二水合物

puriss. p.a., reag. Ph. Eur., 98.5-101.0% (calc. to the dried substance)

别名:

sec-磷酸钠, 磷酸二钠, 磷酸氢二钠 二水合物

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关于此项目

线性分子式:
Na2HPO4 · 2H2O
化学文摘社编号:
10028-24-7
分子量:
177.99
NACRES:
NA.21
PubChem Substance ID:
329753513
UNSPSC Code:
12352302
EC Number:
231-448-7
MDL number:
MFCD00149182
Assay:
98.5-101.0% (calc. to the dried substance)
Form:
crystals

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产品名称

磷酸钠 二元 二水合物, puriss. p.a., reag. Ph. Eur., 98.5-101.0% (calc. to the dried substance)

InChI key

KDQPSPMLNJTZAL-UHFFFAOYSA-L

InChI

1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2

SMILES string

O.O.[Na+].[Na+].OP([O-])([O-])=O

agency

USP/NF
reag. Ph. Eur.

grade

puriss. p.a.

assay

98.5-101.0% (calc. to the dried substance)

form

crystals

impurities

reducing impurities, complies
≤0.0005% heavy metals (as Pb)
≤0.001% total nitrogen (N)
≤0.5% NaH2PO4 (calc. to dried subst.)

loss

19.5-21.0% loss on drying, 130 °C

pH

9.0-9.2 (20 °C, 5%)

anion traces

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

As: ≤0.5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg

suitability

in accordance for appearance of solution

Quality Level

200

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相关类别

Application

使用二水合磷酸钠可用于：
  • 以五水硝酸铋和氯化钾为原料，通过微波辅助水热法制备 BiOCl/BiPO4 复合材料。
  • 制备磷酸钠缓冲液。
  • 作为磷源用于合成 Mg 掺杂羟基磷灰石纳米板。

General description

二水合磷酸钠是一种高吸湿性和水溶性化合物。它可用于软水剂、清洁剂，也可用作特殊配方的缓冲液。

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCP0556
BCCN0154
BCCL2646
BCCK2588
BCCJ6441

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